# s = 'Hello,Runoob'
# print(str(s))
# print(repr(s))

# print(str(1/7))

# x = 10 * 3.25
# y = 200 * 200
# s1 = 'x 的值为：' + repr(x) + ', y的值为：' + repr(y) +'...'
# print(s1)

# # repr()函数可以转义字符串中的特殊字符
# hello = 'hello,runoob\n'
# hellos = repr(hello)
# print(hellos)

# # repr()的参数可以是python的任何对象
# print((x,y,('Google','Runoob')))

# for x in range(1,6):
#       print(repr(x).rjust(2),repr(x*x).rjust(3),end=' ')
#       print(repr(x*x*x).rjust(4))

# for x in range(1,6):
#       print('{0:2d} {1:3d} {2:4d}'.format(x,x*x,x*x*x))

# import math

# print('常量PI的值近似为：%.3f.' % math.pi)

str = input("请输入：")
print("你输入的内容是：",str)